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ingress-nginx-helm/user-guide/third-party-addons/opentelemetry/index.html
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<!doctype html><html lang=en class=no-js> <head><meta charset=utf-8><meta name=viewport content="width=device-width,initial-scale=1"><link href=https://kubernetes.github.io/ingress-nginx/user-guide/third-party-addons/opentelemetry/ rel=canonical><link href=../modsecurity/ rel=prev><link href=../../../examples/ rel=next><link rel=icon href=../../../assets/images/favicon.png><meta name=generator content="mkdocs-1.5.3, mkdocs-material-9.4.5"><title>OpenTelemetry - Ingress-Nginx Controller</title><link rel=stylesheet href=../../../assets/stylesheets/main.6a10b989.min.css><link rel=stylesheet href=../../../assets/stylesheets/palette.356b1318.min.css><link rel=preconnect href=https://fonts.gstatic.com crossorigin><link rel=stylesheet href="https://fonts.googleapis.com/css?family=Roboto:300,300i,400,400i,700,700i%7CRoboto+Mono:400,400i,700,700i&display=fallback"><style>:root{--md-text-font:"Roboto";--md-code-font:"Roboto Mono"}</style><link rel=stylesheet 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class=md-ellipsis> User Guide </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_3_label aria-expanded=true> <label class=md-nav__title for=__nav_3> <span class="md-nav__icon md-icon"></span> User Guide </label> <ul class=md-nav__list data-md-scrollfix> <li class="md-nav__item md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle " type=checkbox id=__nav_3_1> <label class=md-nav__link for=__nav_3_1 id=__nav_3_1_label tabindex> <span class=md-ellipsis> NGINX Configuration </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_3_1_label aria-expanded=false> <label class=md-nav__title for=__nav_3_1> <span class="md-nav__icon md-icon"></span> NGINX Configuration </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../nginx-configuration/ class=md-nav__link> <span class=md-ellipsis> Introduction </span> </a> </li> <li class=md-nav__item> <a href=../../basic-usage/ class=md-nav__link> <span class=md-ellipsis> Basic usage </span> </a> </li> <li class=md-nav__item> <a href=../../nginx-configuration/annotations/ class=md-nav__link> <span class=md-ellipsis> Annotations </span> </a> </li> <li class=md-nav__item> <a href=../../nginx-configuration/annotations-risk/ class=md-nav__link> <span class=md-ellipsis> Annotations Risks </span> </a> </li> <li class=md-nav__item> <a href=../../nginx-configuration/configmap/ class=md-nav__link> <span class=md-ellipsis> ConfigMap </span> </a> </li> <li class=md-nav__item> <a href=../../nginx-configuration/custom-template/ class=md-nav__link> <span class=md-ellipsis> Custom NGINX template </span> </a> </li> <li class=md-nav__item> <a href=../../nginx-configuration/log-format/ class=md-nav__link> <span class=md-ellipsis> Log format </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=../../cli-arguments/ class=md-nav__link> <span class=md-ellipsis> Command line arguments </span> </a> </li> <li class=md-nav__item> <a href=../../custom-errors/ class=md-nav__link> <span class=md-ellipsis> Custom errors </span> </a> </li> <li class=md-nav__item> <a href=../../default-backend/ class=md-nav__link> <span class=md-ellipsis> Default backend </span> </a> </li> <li class=md-nav__item> <a href=../../exposing-tcp-udp-services/ class=md-nav__link> <span class=md-ellipsis> Exposing TCP and UDP services </span> </a> </li> <li class=md-nav__item> <a href=../../fcgi-services/ class=md-nav__link> <span class=md-ellipsis> Exposing FCGI services </span> </a> </li> <li class=md-nav__item> <a href=../../ingress-path-matching/ class=md-nav__link> <span class=md-ellipsis> Regular expressions in paths </span> </a> </li> <li class=md-nav__item> <a href=../../external-articles/ class=md-nav__link> <span class=md-ellipsis> External Articles </span> </a> </li> <li class=md-nav__item> <a href=../../miscellaneous/ class=md-nav__link> <span class=md-ellipsis> Miscellaneous </span> </a> </li> <li class=md-nav__item> <a href=../../monitoring/ class=md-nav__link> <span class=md-ellipsis> Prometheus and Grafana installation </span> </a> </li> <li class=md-nav__item> <a href=../../multiple-ingress/ class=md-nav__link> <span class=md-ellipsis> Multiple Ingress controllers </span> </a> </li> <li class=md-nav__item> <a href=../../tls/ class=md-nav__link> <span class=md-ellipsis> TLS/HTTPS </span> </a> </li> <li class="md-nav__item md-nav__item--active md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle " type=checkbox id=__nav_3_13 checked> <label class=md-nav__link for=__nav_3_13 id=__nav_3_13_label tabindex> <span class=md-ellipsis> Third party addons </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_3_13_label aria-expanded=true> <label class=md-nav__title for=__nav_3_13> <span class="md-nav__icon md-icon"></span> Third party addons </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../modsecurity/ class=md-nav__link> <span class=md-ellipsis> ModSecurity Web Application Firewall </span> </a> </li> <li class="md-nav__item md-nav__item--active"> <input class="md-nav__toggle md-toggle" type=checkbox id=__toc> <label class="md-nav__link md-nav__link--active" for=__toc> <span class=md-ellipsis> OpenTelemetry </span> <span class="md-nav__icon md-icon"></span> </label> <a href=./ class="md-nav__link md-nav__link--active"> <span class=md-ellipsis> OpenTelemetry </span> </a> <nav class="md-nav md-nav--secondary" aria-label="Table of contents"> <label class=md-nav__title for=__toc> <span class="md-nav__icon md-icon"></span> Table of contents </label> <ul class=md-nav__list data-md-component=toc data-md-scrollfix> <li class=md-nav__item> <a href=#usage class=md-nav__link> Usage </a> </li> <li class=md-nav__item> <a href=#examples class=md-nav__link> Examples </a> </li> <li 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<ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../examples/ class=md-nav__link> <span class=md-ellipsis> Introduction </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/PREREQUISITES/ class=md-nav__link> <span class=md-ellipsis> Prerequisites </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/affinity/cookie/ class=md-nav__link> <span class=md-ellipsis> Sticky Sessions </span> </a> </li> <li class="md-nav__item md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle " type=checkbox id=__nav_4_4> <label class=md-nav__link for=__nav_4_4 id=__nav_4_4_label tabindex> <span class=md-ellipsis> Auth </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_4_4_label aria-expanded=false> <label class=md-nav__title for=__nav_4_4> <span class="md-nav__icon md-icon"></span> Auth </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../examples/auth/basic/ class=md-nav__link> <span class=md-ellipsis> Basic Authentication </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/auth/client-certs/ class=md-nav__link> <span class=md-ellipsis> Client Certificate Authentication </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/auth/external-auth/ class=md-nav__link> <span class=md-ellipsis> External Basic Authentication </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/auth/oauth-external-auth/ class=md-nav__link> <span class=md-ellipsis> External OAUTH Authentication </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle " type=checkbox id=__nav_4_5> <label class=md-nav__link for=__nav_4_5 id=__nav_4_5_label tabindex> <span class=md-ellipsis> Customization </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=2 aria-labelledby=__nav_4_5_label aria-expanded=false> <label class=md-nav__title for=__nav_4_5> <span class="md-nav__icon md-icon"></span> Customization </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../examples/customization/configuration-snippets/ class=md-nav__link> <span class=md-ellipsis> Configuration Snippets </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/customization/custom-configuration/ class=md-nav__link> <span class=md-ellipsis> Custom Configuration </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/customization/custom-errors/ class=md-nav__link> <span class=md-ellipsis> Custom Errors </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/customization/custom-headers/ class=md-nav__link> <span class=md-ellipsis> Custom Headers </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/customization/external-auth-headers/ class=md-nav__link> <span class=md-ellipsis> External authentication </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/customization/ssl-dh-param/ class=md-nav__link> <span class=md-ellipsis> Custom DH parameters for perfect forward secrecy </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/customization/sysctl/ class=md-nav__link> <span class=md-ellipsis> Sysctl tuning </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=../../../examples/docker-registry/ class=md-nav__link> <span class=md-ellipsis> Docker registry </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/grpc/ class=md-nav__link> <span class=md-ellipsis> gRPC </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/multi-tls/ class=md-nav__link> <span class=md-ellipsis> Multi TLS certificate termination </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/rewrite/ class=md-nav__link> <span class=md-ellipsis> Rewrite </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/static-ip/ class=md-nav__link> <span class=md-ellipsis> Static IPs </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/tls-termination/ class=md-nav__link> <span class=md-ellipsis> TLS termination </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/openpolicyagent/ class=md-nav__link> <span class=md-ellipsis> Open Policy Agent rules </span> </a> </li> <li class=md-nav__item> <a href=../../../examples/canary/ class=md-nav__link> <span class=md-ellipsis> Canary Deployments </span> </a> </li> </ul> </nav> </li> <li class="md-nav__item md-nav__item--section md-nav__item--nested"> <input class="md-nav__toggle md-toggle " type=checkbox id=__nav_5> <label class=md-nav__link for=__nav_5 id=__nav_5_label tabindex> <span class=md-ellipsis> Developer Guide </span> <span class="md-nav__icon md-icon"></span> </label> <nav class=md-nav data-md-level=1 aria-labelledby=__nav_5_label aria-expanded=false> <label class=md-nav__title for=__nav_5> <span class="md-nav__icon md-icon"></span> Developer Guide </label> <ul class=md-nav__list data-md-scrollfix> <li class=md-nav__item> <a href=../../../developer-guide/getting-started/ class=md-nav__link> <span class=md-ellipsis> Getting Started </span> </a> </li> <li class=md-nav__item> <a href=../../../developer-guide/code-overview/ class=md-nav__link> <span class=md-ellipsis> Code Overview </span> </a> </li> </ul> </nav> </li> <li class=md-nav__item> <a href=../../../faq/ class=md-nav__link> <span class=md-ellipsis> FAQ </span> </a> </li> </ul> </nav> </div> </div> </div> <div class="md-sidebar md-sidebar--secondary" data-md-component=sidebar data-md-type=toc> <div class=md-sidebar__scrollwrap> <div class=md-sidebar__inner> <nav class="md-nav md-nav--secondary" aria-label="Table of contents"> <label class=md-nav__title for=__toc> <span class="md-nav__icon md-icon"></span> Table of contents </label> <ul class=md-nav__list data-md-component=toc data-md-scrollfix> <li class=md-nav__item> <a href=#usage class=md-nav__link> Usage </a> </li> <li class=md-nav__item> <a href=#examples class=md-nav__link> Examples </a> </li> <li class=md-nav__item> <a href=#migration-from-opentracing-jaeger-zipkin-and-datadog class=md-nav__link> Migration from OpenTracing, Jaeger, Zipkin and Datadog </a> <nav class=md-nav aria-label="Migration from OpenTracing, Jaeger, Zipkin and Datadog"> <ul class=md-nav__list> <li class=md-nav__item> <a href=#annotations class=md-nav__link> Annotations </a> </li> <li class=md-nav__item> <a href=#configs class=md-nav__link> Configs </a> </li> </ul> </nav> </li> </ul> </nav> </div> </div> </div> <div class=md-content data-md-component=content> <article class="md-content__inner md-typeset"> <h1 id=opentelemetry>OpenTelemetry<a class=headerlink href=#opentelemetry title="Permanent link"></a></h1> <p>Enables requests served by NGINX for distributed telemetry via The OpenTelemetry Project.</p> <p>Using the third party module <a href=https://github.com/open-telemetry/opentelemetry-cpp-contrib/tree/main/instrumentation/nginx>opentelemetry-cpp-contrib/nginx</a> the Ingress-Nginx Controller can configure NGINX to enable <a href=http://opentelemetry.io>OpenTelemetry</a> instrumentation. By default this feature is disabled.</p> <p>Check out this demo showcasing OpenTelemetry in Ingress NGINX. The video provides an overview and practical demonstration of how OpenTelemetry can be utilized in Ingress NGINX for observability and monitoring purposes.</p> <p align=center> <a href="https://www.youtube.com/watch?v=jpBfgJpTcfw&t=129" target=_blank rel="noopener noreferrer"> <img src=https://img.youtube.com/vi/jpBfgJpTcfw/0.jpg alt="Video Thumbnail"> </a> </p> <p align=center>Demo: OpenTelemetry in Ingress NGINX.</p> <h2 id=usage>Usage<a class=headerlink href=#usage title="Permanent link"></a></h2> <p>To enable the instrumentation we must enable OpenTelemetry in the configuration ConfigMap: <div class=highlight><pre><span></span><code><span class=nt>data</span><span class=p>:</span>
<span class=w> </span><span class=nt>enable-opentelemetry</span><span class=p>:</span><span class=w> </span><span class=s>&quot;true&quot;</span>
</code></pre></div></p> <p>To enable or disable instrumentation for a single Ingress, use the <code>enable-opentelemetry</code> annotation: <div class=highlight><pre><span></span><code><span class=nt>kind</span><span class=p>:</span><span class=w> </span><span class="l l-Scalar l-Scalar-Plain">Ingress</span>
<span class=nt>metadata</span><span class=p>:</span>
<span class=w> </span><span class=nt>annotations</span><span class=p>:</span>
<span class=w> </span><span class=nt>nginx.ingress.kubernetes.io/enable-opentelemetry</span><span class=p>:</span><span class=w> </span><span class=s>&quot;true&quot;</span>
</code></pre></div></p> <p>We must also set the host to use when uploading traces:</p> <p><div class=highlight><pre><span></span><code><span class=nt>otlp-collector-host</span><span class=p>:</span><span class=w> </span><span class=s>&quot;otel-coll-collector.otel.svc&quot;</span>
</code></pre></div> NOTE: While the option is called <code>otlp-collector-host</code>, you will need to point this to any backend that receives otlp-grpc.</p> <p>Next you will need to deploy a distributed telemetry system which uses OpenTelemetry. <a href=https://github.com/open-telemetry/opentelemetry-collector>opentelemetry-collector</a>, <a href=https://www.jaegertracing.io/ >Jaeger</a> <a href=https://github.com/grafana/tempo>Tempo</a>, and <a href=https://zipkin.io/ >zipkin</a> have been tested.</p> <p>Other optional configuration options: <div class=highlight><pre><span></span><code><span class=c1># specifies the name to use for the server span</span>
<span class="l l-Scalar l-Scalar-Plain">opentelemetry-operation-name</span>
<span class="l l-Scalar l-Scalar-Plain"># sets whether or not to trust incoming telemetry spans</span>
<span class="l l-Scalar l-Scalar-Plain">opentelemetry-trust-incoming-span</span>
<span class="l l-Scalar l-Scalar-Plain"># specifies the port to use when uploading traces, Default</span><span class="p p-Indicator">:</span><span class=w> </span><span class="l l-Scalar l-Scalar-Plain">4317</span>
<span class="l l-Scalar l-Scalar-Plain">otlp-collector-port</span>
<span class=c1># specifies the service name to use for any traces created, Default: nginx</span>
<span class="l l-Scalar l-Scalar-Plain">otel-service-name</span>
<span class=c1># The maximum queue size. After the size is reached data are dropped.</span>
<span class="l l-Scalar l-Scalar-Plain">otel-max-queuesize</span>
<span class=c1># The delay interval in milliseconds between two consecutive exports.</span>
<span class="l l-Scalar l-Scalar-Plain">otel-schedule-delay-millis</span>
<span class=c1># How long the export can run before it is cancelled.</span>
<span class="l l-Scalar l-Scalar-Plain">otel-schedule-delay-millis</span>
<span class=c1># The maximum batch size of every export. It must be smaller or equal to maxQueueSize.</span>
<span class="l l-Scalar l-Scalar-Plain">otel-max-export-batch-size</span>
<span class=c1># specifies sample rate for any traces created, Default: 0.01</span>
<span class="l l-Scalar l-Scalar-Plain">otel-sampler-ratio</span>
<span class=c1># specifies the sampler to be used when sampling traces.</span>
<span class=c1># The available samplers are: AlwaysOn, AlwaysOff, TraceIdRatioBased, Default: AlwaysOff</span>
<span class="l l-Scalar l-Scalar-Plain">otel-sampler</span>
<span class=c1># Uses sampler implementation which by default will take a sample if parent Activity is sampled, Default: false</span>
<span class="l l-Scalar l-Scalar-Plain">otel-sampler-parent-based</span>
</code></pre></div></p> <p>Note that you can also set whether to trust incoming spans (global default is true) per-location using annotations like the following: <div class=highlight><pre><span></span><code><span class=nt>kind</span><span class=p>:</span><span class=w> </span><span class="l l-Scalar l-Scalar-Plain">Ingress</span>
<span class=nt>metadata</span><span class=p>:</span>
<span class=w> </span><span class=nt>annotations</span><span class=p>:</span>
<span class=w> </span><span class=nt>nginx.ingress.kubernetes.io/opentelemetry-trust-incoming-span</span><span class=p>:</span><span class=w> </span><span class=s>&quot;true&quot;</span>
</code></pre></div></p> <h2 id=examples>Examples<a class=headerlink href=#examples title="Permanent link"></a></h2> <p>The following examples show how to deploy and test different distributed telemetry systems. These example can be performed using Docker Desktop.</p> <p>In the <a href=https://github.com/esigo/nginx-example>esigo/nginx-example</a> GitHub repository is an example of a simple hello service:</p> <pre class=mermaid><code>graph TB
subgraph Browser
start["http://esigo.dev/hello/nginx"]
end
subgraph app
sa[service-a]
sb[service-b]
sa --&gt; |name: nginx| sb
sb --&gt; |hello nginx!| sa
end
subgraph otel
otc["Otel Collector"]
end
subgraph observability
tempo["Tempo"]
grafana["Grafana"]
backend["Jaeger"]
zipkin["Zipkin"]
end
subgraph ingress-nginx
ngx[nginx]
end
subgraph ngx[nginx]
ng[nginx]
om[OpenTelemetry module]
end
subgraph Node
app
otel
observability
ingress-nginx
om --&gt; |otlp-gRPC| otc --&gt; |jaeger| backend
otc --&gt; |zipkin| zipkin
otc --&gt; |otlp-gRPC| tempo --&gt; grafana
sa --&gt; |otlp-gRPC| otc
sb --&gt; |otlp-gRPC| otc
start --&gt; ng --&gt; sa
end</code></pre> <p>To install the example and collectors run:</p> <ol> <li> <p>Enable OpenTelemetry and set the otlp-collector-host:</p> <div class=highlight><pre><span></span><code><span class="l l-Scalar l-Scalar-Plain">$ echo &#39;</span>
<span class=w> </span><span class="l l-Scalar l-Scalar-Plain">apiVersion</span><span class="p p-Indicator">:</span><span class=w> </span><span class="l l-Scalar l-Scalar-Plain">v1</span>
<span class=w> </span><span class="l l-Scalar l-Scalar-Plain">kind</span><span class="p p-Indicator">:</span><span class=w> </span><span class="l l-Scalar l-Scalar-Plain">ConfigMap</span>
<span class=w> </span><span class="l l-Scalar l-Scalar-Plain">data</span><span class="p p-Indicator">:</span>
<span class=w> </span><span class=nt>enable-opentelemetry</span><span class=p>:</span><span class=w> </span><span class=s>&quot;true&quot;</span>
<span class=w> </span><span class=nt>opentelemetry-config</span><span class=p>:</span><span class=w> </span><span class=s>&quot;/etc/nginx/opentelemetry.toml&quot;</span>
<span class=w> </span><span class=nt>opentelemetry-operation-name</span><span class=p>:</span><span class=w> </span><span class=s>&quot;HTTP</span><span class=nv> </span><span class=s>$request_method</span><span class=nv> </span><span class=s>$service_name</span><span class=nv> </span><span class=s>$uri&quot;</span>
<span class=w> </span><span class=nt>opentelemetry-trust-incoming-span</span><span class=p>:</span><span class=w> </span><span class=s>&quot;true&quot;</span>
<span class=w> </span><span class=nt>otlp-collector-host</span><span class=p>:</span><span class=w> </span><span class=s>&quot;otel-coll-collector.otel.svc&quot;</span>
<span class=w> </span><span class=nt>otlp-collector-port</span><span class=p>:</span><span class=w> </span><span class=s>&quot;4317&quot;</span>
<span class=w> </span><span class=nt>otel-max-queuesize</span><span class=p>:</span><span class=w> </span><span class=s>&quot;2048&quot;</span>
<span class=w> </span><span class=nt>otel-schedule-delay-millis</span><span class=p>:</span><span class=w> </span><span class=s>&quot;5000&quot;</span>
<span class=w> </span><span class=nt>otel-max-export-batch-size</span><span class=p>:</span><span class=w> </span><span class=s>&quot;512&quot;</span>
<span class=w> </span><span class=nt>otel-service-name</span><span class=p>:</span><span class=w> </span><span class=s>&quot;nginx-proxy&quot;</span><span class=w> </span><span class=c1># Opentelemetry resource name</span>
<span class=w> </span><span class=nt>otel-sampler</span><span class=p>:</span><span class=w> </span><span class=s>&quot;AlwaysOn&quot;</span><span class=w> </span><span class=c1># Also: AlwaysOff, TraceIdRatioBased</span>
<span class=w> </span><span class=nt>otel-sampler-ratio</span><span class=p>:</span><span class=w> </span><span class=s>&quot;1.0&quot;</span>
<span class=w> </span><span class=nt>otel-sampler-parent-based</span><span class=p>:</span><span class=w> </span><span class=s>&quot;false&quot;</span>
<span class="w w-Error"> </span><span class=nt>metadata</span><span class=p>:</span>
<span class=w> </span><span class=nt>name</span><span class=p>:</span><span class=w> </span><span class="l l-Scalar l-Scalar-Plain">ingress-nginx-controller</span>
<span class=w> </span><span class=nt>namespace</span><span class=p>:</span><span class=w> </span><span class="l l-Scalar l-Scalar-Plain">ingress-nginx</span>
<span class=w> </span><span class=s>&#39;</span><span class=nv> </span><span class=s>|</span><span class=nv> </span><span class=s>kubectl</span><span class=nv> </span><span class=s>replace</span><span class=nv> </span><span class=s>-f</span><span class=nv> </span><span class=s>-</span>
</code></pre></div> </li> <li> <p>Deploy otel-collector, grafana and Jaeger backend:</p> <div class=highlight><pre><span></span><code><span class=c1># add helm charts needed for grafana and OpenTelemetry collector</span>
helm<span class=w> </span>repo<span class=w> </span>add<span class=w> </span>open-telemetry<span class=w> </span>https://open-telemetry.github.io/opentelemetry-helm-charts
helm<span class=w> </span>repo<span class=w> </span>add<span class=w> </span>grafana<span class=w> </span>https://grafana.github.io/helm-charts
helm<span class=w> </span>repo<span class=w> </span>update
<span class=c1># deploy cert-manager needed for OpenTelemetry collector operator</span>
kubectl<span class=w> </span>apply<span class=w> </span>-f<span class=w> </span>https://github.com/cert-manager/cert-manager/releases/download/v1.15.3/cert-manager.yaml
<span class=c1># create observability namespace</span>
kubectl<span class=w> </span>apply<span class=w> </span>-f<span class=w> </span>https://raw.githubusercontent.com/esigo/nginx-example/main/observability/namespace.yaml
<span class=c1># install OpenTelemetry collector operator</span>
helm<span class=w> </span>upgrade<span class=w> </span>--install<span class=w> </span>otel-collector-operator<span class=w> </span>-n<span class=w> </span>otel<span class=w> </span>--create-namespace<span class=w> </span>open-telemetry/opentelemetry-operator
<span class=c1># deploy OpenTelemetry collector</span>
kubectl<span class=w> </span>apply<span class=w> </span>-f<span class=w> </span>https://raw.githubusercontent.com/esigo/nginx-example/main/observability/collector.yaml
<span class=c1># deploy Jaeger all-in-one</span>
kubectl<span class=w> </span>apply<span class=w> </span>-f<span class=w> </span>https://github.com/jaegertracing/jaeger-operator/releases/download/v1.37.0/jaeger-operator.yaml<span class=w> </span>-n<span class=w> </span>observability
kubectl<span class=w> </span>apply<span class=w> </span>-f<span class=w> </span>https://raw.githubusercontent.com/esigo/nginx-example/main/observability/jaeger.yaml<span class=w> </span>-n<span class=w> </span>observability
<span class=c1># deploy zipkin</span>
kubectl<span class=w> </span>apply<span class=w> </span>-f<span class=w> </span>https://raw.githubusercontent.com/esigo/nginx-example/main/observability/zipkin.yaml<span class=w> </span>-n<span class=w> </span>observability
<span class=c1># deploy tempo and grafana</span>
helm<span class=w> </span>upgrade<span class=w> </span>--install<span class=w> </span>tempo<span class=w> </span>grafana/tempo<span class=w> </span>--create-namespace<span class=w> </span>-n<span class=w> </span>observability
helm<span class=w> </span>upgrade<span class=w> </span>-f<span class=w> </span>https://raw.githubusercontent.com/esigo/nginx-example/main/observability/grafana/grafana-values.yaml<span class=w> </span>--install<span class=w> </span>grafana<span class=w> </span>grafana/grafana<span class=w> </span>--create-namespace<span class=w> </span>-n<span class=w> </span>observability
</code></pre></div> </li> <li> <p>Build and deploy demo app:</p> <div class=highlight><pre><span></span><code><span class=c1># build images</span>
make<span class=w> </span>images
<span class=c1># deploy demo app:</span>
make<span class=w> </span>deploy-app
</code></pre></div> </li> <li> <p>Make a few requests to the Service:</p> <div class=highlight><pre><span></span><code>kubectl<span class=w> </span>port-forward<span class=w> </span>--namespace<span class=o>=</span>ingress-nginx<span class=w> </span>service/ingress-nginx-controller<span class=w> </span><span class=m>8090</span>:80
curl<span class=w> </span>http://esigo.dev:8090/hello/nginx
StatusCode<span class=w> </span>:<span class=w> </span><span class=m>200</span>
StatusDescription<span class=w> </span>:<span class=w> </span>OK
Content<span class=w> </span>:<span class=w> </span><span class=o>{</span><span class=s2>&quot;v&quot;</span>:<span class=s2>&quot;hello nginx!&quot;</span><span class=o>}</span>
RawContent<span class=w> </span>:<span class=w> </span>HTTP/1.1<span class=w> </span><span class=m>200</span><span class=w> </span>OK
<span class=w> </span>Connection:<span class=w> </span>keep-alive
<span class=w> </span>Content-Length:<span class=w> </span><span class=m>21</span>
<span class=w> </span>Content-Type:<span class=w> </span>text/plain<span class=p>;</span><span class=w> </span><span class=nv>charset</span><span class=o>=</span>utf-8
<span class=w> </span>Date:<span class=w> </span>Mon,<span class=w> </span><span class=m>10</span><span class=w> </span>Oct<span class=w> </span><span class=m>2022</span><span class=w> </span><span class=m>17</span>:43:33<span class=w> </span>GMT
<span class=w> </span><span class=o>{</span><span class=s2>&quot;v&quot;</span>:<span class=s2>&quot;hello nginx!&quot;</span><span class=o>}</span>
Forms<span class=w> </span>:<span class=w> </span><span class=o>{}</span>
Headers<span class=w> </span>:<span class=w> </span><span class=o>{[</span>Connection,<span class=w> </span>keep-alive<span class=o>]</span>,<span class=w> </span><span class=o>[</span>Content-Length,<span class=w> </span><span class=m>21</span><span class=o>]</span>,<span class=w> </span><span class=o>[</span>Content-Type,<span class=w> </span>text/plain<span class=p>;</span><span class=w> </span><span class=nv>charset</span><span class=o>=</span>utf-8<span class=o>]</span>,<span class=w> </span><span class=o>[</span>Date,
<span class=w> </span>Mon,<span class=w> </span><span class=m>10</span><span class=w> </span>Oct<span class=w> </span><span class=m>2022</span><span class=w> </span><span class=m>17</span>:43:33<span class=w> </span>GMT<span class=o>]}</span>
Images<span class=w> </span>:<span class=w> </span><span class=o>{}</span>
InputFields<span class=w> </span>:<span class=w> </span><span class=o>{}</span>
Links<span class=w> </span>:<span class=w> </span><span class=o>{}</span>
ParsedHtml<span class=w> </span>:<span class=w> </span>System.__ComObject
RawContentLength<span class=w> </span>:<span class=w> </span><span class=m>21</span>
</code></pre></div> </li> <li> <p>View the Grafana UI:</p> <p><div class=highlight><pre><span></span><code>kubectl<span class=w> </span>port-forward<span class=w> </span>--namespace<span class=o>=</span>observability<span class=w> </span>service/grafana<span class=w> </span><span class=m>3000</span>:80
</code></pre></div> In the Grafana interface we can see the details: <img alt="grafana screenshot" src=../../../images/otel-grafana-demo.png title="grafana screenshot"></p> </li> <li> <p>View the Jaeger UI:</p> <p><div class=highlight><pre><span></span><code>kubectl<span class=w> </span>port-forward<span class=w> </span>--namespace<span class=o>=</span>observability<span class=w> </span>service/jaeger-all-in-one-query<span class=w> </span><span class=m>16686</span>:16686
</code></pre></div> In the Jaeger interface we can see the details: <img alt="Jaeger screenshot" src=../../../images/otel-jaeger-demo.png title="Jaeger screenshot"></p> </li> <li> <p>View the Zipkin UI:</p> <p><div class=highlight><pre><span></span><code>kubectl<span class=w> </span>port-forward<span class=w> </span>--namespace<span class=o>=</span>observability<span class=w> </span>service/zipkin<span class=w> </span><span class=m>9411</span>:9411
</code></pre></div> In the Zipkin interface we can see the details: <img alt="zipkin screenshot" src=../../../images/otel-zipkin-demo.png title="zipkin screenshot"></p> </li> </ol> <h2 id=migration-from-opentracing-jaeger-zipkin-and-datadog>Migration from OpenTracing, Jaeger, Zipkin and Datadog<a class=headerlink href=#migration-from-opentracing-jaeger-zipkin-and-datadog title="Permanent link"></a></h2> <p>If you are migrating from OpenTracing, Jaeger, Zipkin, or Datadog to OpenTelemetry, you may need to update various annotations and configurations. Here are the mappings for common annotations and configurations:</p> <h3 id=annotations>Annotations<a class=headerlink href=#annotations title="Permanent link"></a></h3> <table> <thead> <tr> <th>Legacy</th> <th>OpenTelemetry</th> </tr> </thead> <tbody> <tr> <td><code>nginx.ingress.kubernetes.io/enable-opentracing</code></td> <td><code>nginx.ingress.kubernetes.io/enable-opentelemetry</code></td> </tr> <tr> <td><code>nginx.ingress.kubernetes.io/opentracing-trust-incoming-span</code></td> <td><code>nginx.ingress.kubernetes.io/opentelemetry-trust-incoming-span</code></td> </tr> </tbody> </table> <h3 id=configs>Configs<a class=headerlink href=#configs title="Permanent link"></a></h3> <table> <thead> <tr> <th>Legacy</th> <th>OpenTelemetry</th> </tr> </thead> <tbody> <tr> <td><code>opentracing-operation-name</code></td> <td><code>opentelemetry-operation-name</code></td> </tr> <tr> <td><code>opentracing-location-operation-name</code></td> <td><code>opentelemetry-operation-name</code></td> </tr> <tr> <td><code>opentracing-trust-incoming-span</code></td> <td><code>opentelemetry-trust-incoming-span</code></td> </tr> <tr> <td><code>zipkin-collector-port</code></td> <td><code>otlp-collector-port</code></td> </tr> <tr> <td><code>zipkin-service-name</code></td> <td><code>otel-service-name</code></td> </tr> <tr> <td><code>zipkin-sample-rate</code></td> <td><code>otel-sampler-ratio</code></td> </tr> <tr> <td><code>jaeger-collector-port</code></td> <td><code>otlp-collector-port</code></td> </tr> <tr> <td><code>jaeger-endpoint</code></td> <td><code>otlp-collector-port</code>, <code>otlp-collector-host</code></td> </tr> <tr> <td><code>jaeger-service-name</code></td> <td><code>otel-service-name</code></td> </tr> <tr> <td><code>jaeger-propagation-format</code></td> <td><code>N/A</code></td> </tr> <tr> <td><code>jaeger-sampler-type</code></td> <td><code>otel-sampler</code></td> </tr> <tr> <td><code>jaeger-sampler-param</code></td> <td><code>otel-sampler</code></td> </tr> <tr> <td><code>jaeger-sampler-host</code></td> <td><code>N/A</code></td> </tr> <tr> <td><code>jaeger-sampler-port</code></td> <td><code>N/A</code></td> </tr> <tr> <td><code>jaeger-trace-context-header-name</code></td> <td><code>N/A</code></td> </tr> <tr> <td><code>jaeger-debug-header</code></td> <td><code>N/A</code></td> </tr> <tr> <td><code>jaeger-baggage-header</code></td> <td><code>N/A</code></td> </tr> <tr> <td><code>jaeger-tracer-baggage-header-prefix</code></td> <td><code>N/A</code></td> </tr> <tr> <td><code>datadog-collector-port</code></td> <td><code>otlp-collector-port</code></td> </tr> <tr> <td><code>datadog-service-name</code></td> <td><code>otel-service-name</code></td> </tr> <tr> <td><code>datadog-environment</code></td> <td><code>N/A</code></td> </tr> <tr> <td><code>datadog-operation-name-override</code></td> <td><code>N/A</code></td> </tr> <tr> <td><code>datadog-priority-sampling</code></td> <td><code>otel-sampler</code></td> </tr> <tr> <td><code>datadog-sample-rate</code></td> <td><code>otel-sampler-ratio</code></td> </tr> </tbody> </table> </article> </div> </div> </main> <footer class=md-footer> <div class="md-footer-meta md-typeset"> <div class="md-footer-meta__inner md-grid"> <div class=md-copyright> Made with <a href=https://squidfunk.github.io/mkdocs-material/ target=_blank rel=noopener> Material for MkDocs </a> </div> </div> </div> </footer> </div> <div class=md-dialog data-md-component=dialog> <div class="md-dialog__inner md-typeset"></div> </div> <script id=__config type=application/json>{"base": "../../..", "features": ["navigation.tabs", "navigation.tabs.sticky", "navigation.instant", "navigation.sections"], "search": "../../../assets/javascripts/workers/search.f886a092.min.js", "translations": {"clipboard.copied": "Copied to clipboard", "clipboard.copy": "Copy to clipboard", "search.result.more.one": "1 more on this page", "search.result.more.other": "# more on this page", "search.result.none": "No matching documents", "search.result.one": "1 matching document", "search.result.other": "# matching documents", "search.result.placeholder": "Type to start searching", "search.result.term.missing": "Missing", "select.version": "Select version"}}</script> <script src=../../../assets/javascripts/bundle.aecac24b.min.js></script> </body> </html>
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